condition mean min max 4 h after light 0.0227746 0.0 0.0455492 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.05620116666666667 0.0 0.118742 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0